2x minus y equals 6, x plus y equals negative 3

Afruit stand has to decide what to charge for their produce. they need $10 for 4 apples and 4 oranges. they also need $15 for 6 apples and 6 oranges. we put this information into a system of linear equations. can we find a unique price for an apple and an orange?

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply